What causes small teeth?

A:

Quick Answer

According to the Genetics Home Reference, a website of the U. S. government that seeks to promote education about genetic disorders, small teeth are caused by many different conditions, such as amelogenesis imperfecta, Down syndrome, Larsen syndrome, polydactyly and Coffin-Lowry syndrome. There are approximately 35 conditions that can cause an individual to have small or deformed teeth.